Step 1: Modify the subscription.

Go to the member's profile > Click on the Billing tab.

Scroll down > Click on the subscription to edit.

Click on the pen to change the product for this subscription > Choose the replacement product > Confirm

The subscription has been changed for this member.

Step 2: Change the subscription price.

You now need to update the amount of future invoices by following this article : https://intercom.help/bsport-helpcenter/en/articles/3666162-manage-your-subscriptions.